<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

</body>

</html>
<script>
    function getRandom(min, max) {
        return Math.floor(Math.random() * (max - min + 1) + min);
    }
    var random = getRandom(1, 10);
    while (true) {
        var num = prompt('请输入一个1~10的整数')
        if (num == null) {
            break;
        } else if (num > num) {
            alert('你猜多大了');
        } else if (num < random) {
            alert('你猜小了');
        } else {
            alert('恭喜你，猜对了');
            break
        }
    }
</script>